Home / 5,133.62-7,085.04-3,145.52

Finding the Fourth Proportional to 5,133.62, 7,085.04 and 3,145.52

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Solution

The fourth proportional to 5,133.62, 7,085.04 and 3,145.52 is: 4,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.62 : 7,085.04 = 3,145.52 : x
  2. Step 2: Convert to fraction form
    5,133.62/7,085.04 = 3,145.52/x
  3. Step 3: Cross multiply
    5,133.62x = 7,085.04 × 3,145.52
  4. Step 4: Simplify right side
    5,133.62x = 22,286,135.02
  5. Step 5: Solve for x
    x = 22,286,135.02/5,133.62
  6. Step 6: Final answer
    x = 4,341.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.